OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
CONTENTS ^ge
LIST OF TABLES iv
LIST OF FIGURES V
LIST OF SAMPLING EVENT PHOTOGRAPHS vii
EXECUTIVE SUMMARY 1
ABSTRACT 9
INTRODUCTION 10
BACKGROUND 10 A. World Trade Center Towers 10 B. Potential Contaminants 11 C, Monitoring in Lower Manhattan After the Collapse of the World Trade Center 11 D. Community Exposures 12 E. Human Health Effects of Concern 12
OBJECTIVES 12
METHODS 13 A. Sampling Approach 13 B, Samples Taken 13 C, Field and Laboratory Changes From the Original Sampling Protocol 14 1. Field Changes 14 2. Sample Analysis Changes 15 D. Data Management and Quality Assurance/Quality Control Procedures 15 E. Data Analysis 17 F. Limitations and Uncertainties 17
RESULTS 18 A. Survey 18 B. Settled Surface Dust 19 1. F iber Analysis of Settled Surface Dust 19 2. Mineral Analysis of Settled Surface Dust 20 3. Alkalinity of Settled Surface Dust 22 C. Air 22
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NYC-WTC_000149695
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NYC-WTC_000148952
Table listing volatile organic compound (VOC) sampling sites and dates outside of Ground Zero from September 2001 to January 2002.
28 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.967
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000149537
Instructions and sections for collecting sample location data from a specific building interior.
28 shared non-person entities · Same agency, volume and box · similarity 0.966
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000145869
Interim final report from EPA Region 2 detailing a background study of environmental conditions at the World Trade Center site.
23 shared non-person entities · 1 shared topics · similarity 0.970
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000154652
Internal tracking document for managing reports, comments, and actions related to environmental compliance cases.
9 shared non-person entities · 1 shared topics · similarity 0.963
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000125845
Draft fact sheet from DOH and DEP addressing tenant concerns regarding asbestos fibers at 105 Duane Street.
18 shared non-person entities · 1 shared topics · similarity 0.963
machine-extracted · confidence unavailable · Check page ↗15 shared non-person entities · 1 shared topics · similarity 0.962
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000152825
Draft protocol establishing procedures for evaluating airborne and settled dust in residential and commercial areas near the World Trade Center.
15 shared non-person entities · 1 shared topics · similarity 0.962
machine-extracted · confidence unavailable · Check page ↗15 shared non-person entities · 1 shared topics · similarity 0.962
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000152814
Draft document outlining concepts and priorities for sampling buildings near the WTC to identify worst-case contamination scenarios.
14 shared non-person entities · 1 shared topics · similarity 0.962
machine-extracted · confidence unavailable · Check page ↗16 shared non-person entities · 1 shared topics · similarity 0.961
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000151635
EPA memorandum detailing plans for asbestos wipe sampling, projecting airborne dust levels, and estimating increased cancer risks from WTC dust exposure.
9 shared non-person entities · 1 shared topics · similarity 0.960
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140259
Memorandum detailing procedures for asbestos wipe sampling in Lower Manhattan and estimating associated cancer risks from dust exposure.
9 shared non-person entities · 1 shared topics · similarity 0.960
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NYC-WTC_000148952
Table listing volatile organic compound (VOC) sampling sites and dates outside of Ground Zero from September 2001 to January 2002.
Cited alongside this record in an Ask answer
NYC-WTC_000125845
Draft fact sheet from DOH and DEP addressing tenant concerns regarding asbestos fibers at 105 Duane Street.
Cited alongside this record in an Ask answer
NYC-WTC_000106270
Letter confirming facade asbestos testing and subsequent cleaning at 153 Chambers Street.
Cited alongside this record in an Ask answer
NYC-WTC_000140170
EPA memorandum on wipe sampling methods for asbestos in Lower Manhattan buildings, resuspension projections, and cancer risk estimates from WTC dust exposure.
Cited alongside this record in an Ask answer
NYC-WTC_000140259
Memorandum detailing procedures for asbestos wipe sampling in Lower Manhattan and estimating associated cancer risks from dust exposure.
Cited alongside this record in an Ask answer